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GPU Comparison
AMD Radeon R9 M485X vs AMD Radeon RX 6450M
AMD Radeon R9 M485X vs AMD Radeon RX 6450M
VS
AMD Radeon R9 M485X
AMD Radeon RX 6450M
We compared two Mobile platform GPUs: 8GB VRAM Radeon R9 M485X and 4GB VRAM Radeon RX 6450M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 M485X 's Advantages
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (160.0GB/s vs 128.0GB/s)
1280 additional rendering cores
AMD Radeon RX 6450M 's Advantages
Released 6 years and 8 months late
Boost Clock2460MHz
Lower TDP (50W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 M485X
2.961 TFLOPS
Radeon RX 6450M
+27%
3.779 TFLOPS
Radeon R9 M485X
VS
Radeon RX 6450M
Graphics Card
May 2016
Release Date
Jan 2023
Crystal System
Generation
Navi Mobile
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 4.0 x4
Clock Speeds
-
Base Clock
2000 MHz
-
Boost Clock
2460 MHz
1250 MHz
Memory Clock
2000 MHz
Memory
8GB
Memory Size
4GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
64bit
160.0GB/s
Bandwidth
128.0GB/s
Render Config
-
SM Count
-
32
Compute Units
12
2048
Shading Units
768
128
TMUs
48
32
ROPs
32
-
Tensor Cores
-
-
RT Cores
12
16 KB (per CU)
L1 Cache
128 KB per Array
512 KB
L2 Cache
1024 KB
Theoretical Performance
23.14 GPixel/s
Pixel Rate
78.72 GPixel/s
92.54 GTexel/s
Texture Rate
118.1 GTexel/s
2.961 TFLOPS
FP16 (half)
7.557 TFLOPS
2.961 TFLOPS
FP32 (float)
3.779 TFLOPS
185.1 GFLOPS
FP64 (double)
236.2 GFLOPS
Graphics Processor
Amethyst
GPU Name
Navi 24
Amethyst XT
GPU Variant
Navi 24 XML
GCN 3.0
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
6 nm
5 billion
Transistors
5.4 billion
366 mm²
Die Size
107 mm²
Board Design
250W
TDP
50W
-
Suggested PSU
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
None
Graphics Features
12 (12_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.0
OpenCL
2.2
1.2
Vulkan
1.3
-
CUDA
-
6.3
Shader Model
6.7
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